Cita APA (7th ed.)

(1942). Three famous spy novels, complete and unabridged in one volume. The great impersonation. Random House.

Cita Chicago (17th ed.)

Three Famous Spy Novels, Complete and Unabridged in One Volume. The Great Impersonation. New York: Random House, 1942.

Cita MLA (9th ed.)

Three Famous Spy Novels, Complete and Unabridged in One Volume. The Great Impersonation. Random House, 1942.